const emailPattern =
  /([a-z\u0400-\u04FF0-9!#$%&'*+\\/=?^_`{|}~.-]+)@[a-z\u0400-\u04FF0-9]([a-z\u0400-\u04FF0-9-]*[a-z\u0400-\u04FF0-9])?(\.[a-z\u0400-\u04FF0-9]([a-z\u0400-\u04FF0-9-]*[a-z\u0400-\u04FF0-9])?)*/i;

export const emailRegexp = new RegExp(`^${emailPattern.source}$`, 'i');
